1、moo的读音:英[muː],美[muː]。2、n.(牛叫声)哞;3、vi.发出哞哞声;4、[例句]A cow is eating. Eating, eating. Moo!一只牛在吃草,吃啊,吃啊,哞!5、第三人称单数:moos 复数:moos 现在分词:mooing 过去式:mooed 过去分词:mooed